{"type":"firestarter.listing","listing":{"id":"lst_rgO52mKK","product_name":"OMAS Paragon Arco Fountain Pen - Verde","category":"Fountain Pen","description":"The Paragon collection, created in 1930s by Armando Simoni, features a 12-faceted design and roller clip that were revolutionary for the Italian writing industry. To complement this masterpiece, Omas use only the finest celluloid. Omas' modern refilling mechanism was designed to ensure that ink does not come into contact with the celluloid, preventing corrosion and preserving its quality over time.The Omas Paragon Arco - Specification:\n\nPen Body Material: Celluloid \n\nPen Length Closed: 5.82 in. / 148mm\n\nPen Length Open, Cap Off: 5.23 in. / 133mm\n\nPen Length Posted: 7.20 in. / 183mm\n\n\nCap Length: 2.68 in. / 68mm\n\nMax Diameter (Pen): 0.74 in. / 19 mm\n\nSection Diameter: 0.39 in. - 0.43 in. / 10mm - 11mm\n\nTotal Weight: 1.4 oz. / 39.7g\n\nNib: 14kt gold with ebonite feed\n\nFilling Mechanism: Traditional Piston-Filling Mechanism\n\nGift Boxed\n\nMade in Italy\n\nIncludes a 2-year warranty\n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/OMAS-Paragon-Arco-Fountain-Pen-Verde.jpg?v=1757665248","https://cdn.shopify.com/s/files/1/0575/7177/files/OMAS-Paragon-Arco-Fountain-Pen-Verde-2.jpg?v=1741729039","https://cdn.shopify.com/s/files/1/0575/7177/files/OMAS-Paragon-Arco-Fountain-Pen-Verde-3.jpg?v=1741729043","https://cdn.shopify.com/s/files/1/0575/7177/files/OMAS-Paragon-Arco-Fountain-Pen-Verde-4.jpg?v=1741729047","https://cdn.shopify.com/s/files/1/0575/7177/files/OMAS-Paragon-Arco-Fountain-Pen-Verde-5.jpg?v=1741729051"],"price":1195,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:59.985Z"},"share_url":"https://firestarter.network/l/lst_rgO52mKK","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_rgO52mKK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy OMAS Paragon Arco Fountain Pen - Verde' and a budget_max comfortably above $1195.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}